1LARGE MEASUREMENT RANGE: This electronic tape measure has a range of 0199.999m, which can meet your basic needs. 2LONG BATTERY LIFE: This electronic tape measure uses an ultra low power semiconductor microprocessor to achieve long standby time and battery life. 3MULTIPLE USAGE: This electronic tape measure has practical functions, such as straight line measurement, circle measurement, arbitrary curve measurement, irregular surface measurement, cylindrical diameter measurement, etc. 4DIGITAL DISPLAY: The digital display screen of the tape measure is clear and easy to read, and the unit display can be switched, which is very intelligent. 5COMPACT AND PORTABLE: This tape measure is compact enough to be used in environments ranging from 10 to 50 and can be carried around.